N. N. Usov

New Developments at the Sapfir Joint Stock Company

N. N. Usov, V. N. Deryugin, F. E. Minsker, 1996 .

Photoeffect in Metal-Free Phthalocyanine Crystals

N. N. Usov, V. Benderskii, 1970 .

Effect of oxygen on the photoconductivity of different crystallographic forms of phthalocyanins

N. N. Usov, V. Benderskii, 1970 .